78 Posts

Limor Kessem

Executive Security Advisor, IBM

Limor Kessem is one of the top cyber intelligence experts at IBM Security. She is a seasoned security advocate, public speaker, and a regular blogger on the cutting-edge IBM Security Intelligence blog. Limor comes to IBM from organizations like RSA Security, where she spent 5 years as part of the RSA research labs and drove the FraudAction blog on RSA's Speaking of Security. She also served as the Marketing Director of Big Data analytics startup ThetaRay, where she created the company's cybersecurity thought leadership. Limor is considered an authority on emerging cybercrime threats. She participated as a highly appreciated speaker on live InfraGard New York webcasts (an FBI collaboration), spoke in RSA events worldwide, conducts live webinars on all things fraud and cybercrime, and writes a large variety of threat intelligence  publications. With her unique position at the intersection of multiple research teams at IBM, and her fingers on the pulse of current day threats, Limor covers the full spectrum of trends affecting consumers, corporations, and the industry as a whole. On the social side, Limor tweets security items as @iCyberFighter and is an avid Brazilian Jiu Jitsu fighter.

Written By Limor Kessem

The Brazilian Malware Landscape: A Dime a Dozen and Going Strong

Although Brazilian malware tends to be unsophisticated, cybercrime continues to thrive due to the general population's lack of security awareness.

GootKit: Bobbing and Weaving to Avoid Prying Eyes

IBM X-Force researchers recently studied the GootKit banking Trojan — and the many ways it effectively evades detection and maintains persistence.

GozNym: Living in America

IBM X-Force researchers recently reported that the GozNym banking malware is executing redirection attacks on banks in the U.S.

Marcher Mobile Bot Adds UK Targets, Steps Up Banking Fraud Capabilities

The Marcher mobile bot is a new Android malware targeting a long list of banks around the world with app overlay screens and SMS hijacking.

Mobile Malware Competition Rises in Underground Markets

The mobile malware market is growing at an impressive rate, giving cybercriminals more options when it comes to infiltrating devices.

Time Is Money: GozNym Launches Redirection Attacks in Poland

The GozNym banking Trojan has pivoted its focus from targeting North American institutions to launching redirection attacks in Europe.

Meet GozNym: The Banking Malware Offspring of Gozi ISFB and Nymaim

The new GozNym hybrid takes the best of both the Nymaim and Gozi ISFB malware to create a powerful Trojan targeting banks in the U.S. and Canada.

Organized Cybercrime’s New Bull’s-eye: Bankers

Attackers are attempting to pull off their cybercrime exploits by targeting the human element in banks and other financial institutions.

Unraveling ZeuS.Maple’s Stealth Loader

ZeuS.Maple is a relatively new variant of a stealth loader that enables a few tricks to stay under the radar of security researchers and tools.

Singapore: An Emerging Target for Cyberthreats and Banking Trojans

It is no coincidence that threats target Singapore, one of Asia's most advanced countries in digital banking with the highest variety of digital offerings.

Co-Written By Limor Kessem

Brazilian Malware Client Maximus: Maximizing the Mayhem

A new, upgraded version of remote access malware Client Maximus points to the growing sophistication of cybercriminals in Brazil.

QakBot Banking Trojan Causes Massive Active Directory Lockouts

IBM X-Force attributed a recent wave of malware-induced Active Directory (AD) lockouts across several IR engagements to the operators of the QakBot Trojan.

Relying on Data to Mitigate the Risk of WordPress Website Hijacking

To protect their WordPress sites from scammers, administrators must proactively patch and monitor their installations to weed out unwanted content.

Brazilian Malware Never Sleeps: Meet EmbusteBot

IBM Research — Haifa Labs detected yet another malware campaign, dubbed EmbusteBot, designed to target dozens of financial institutions in Brazil.

GootKit Developers Dress It Up With Web Traffic Proxy

X-Force researchers revealed the cybergang behind Gootkit had upgraded the banking Trojan with new network interception and certificate bypass methods.

The Full Shamoon: How the Devastating Malware Was Inserted Into Networks

X-Force IRIS researchers found that the Shamoon malware operators relied on weaponized documents that leveraged PowerShell to infiltrate targeted networks.

Anatomy of an hVNC Attack

Cybercriminals who rely on remote control tactics to commit financial fraud may use hidden virtual network computing (hVNC) modules to cover their tracks.

Client Maximus: New Remote Overlay Malware Highlights Rising Malcode Sophistication in Brazil

IBM X-Force researchers discovered a new malware called Client Maximus that contains advanced code written specifically to attack banks in Brazil.

Two Heads Are Better Than One: Going Under the Hood to Analyze GozNym

IBM X-Force researchers recognized that the GozNym banking malware leverages features from two types of malware to make it double the threat.

Gozi Banking Trojan Upgrades Build to Inject Into Windows 10 Edge Browser

The developers of the Gozi banking Trojan have built some improvements into the malware that now allow it to attack Windows 10 operating systems.

Dyre Summer Renovation: Randomized Config File Names Keep Antivirus Engines Guessing

Developers of the Dyre malware are keeping a close eye on security, making several changes to the file configuration to avoid detection.

Tsukuba: Banking Trojan Phishing in Japanese Waters

IBM Security Trusteer researchers recently discovered a new financial malware dubbed Tsukuba, which targets Japanese online banking users.